21322321312322 has 16 divisors (see below), whose sum is σ = 32163603014400. Its totient is φ = 10601184974688.

The previous prime is 21322321312307. The next prime is 21322321312427. The reversal of 21322321312322 is 22321312322312.

It is a super-2 number, since 2×21322321312322² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15506378 + ... + 16825349.

It is an arithmetic number, because the mean of its divisors is an integer number (2010225188400).

Almost surely, 2^{21322321312322} is an apocalyptic number.

21322321312322 is a deficient number, since it is larger than the sum of its proper divisors (10841281702078).

21322321312322 is a wasteful number, since it uses less digits than its factorization.

21322321312322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32333585.

The product of its digits is 10368, while the sum is 29.

Adding to 21322321312322 its reverse (22321312322312), we get a palindrome (43643633634634).

The spelling of 21322321312322 in words is "twenty-one trillion, three hundred twenty-two billion, three hundred twenty-one million, three hundred twelve thousand, three hundred twenty-two".